QQuestionMathematics
QuestionMathematics
"If a person can select 3 presents from 10 presents under the tree, how many different combinations are there?
A. 120
B. 30
C. 720
D. 10"
6 months agoReport content
Answer
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Step 1Let's solve this step by step using combination principles:
Step 2: Identify the Problem Type
This is a combination problem where we need to calculate how many ways we can select 3 presents from a total of 10 presents.
Final Answer
Key Insight: This means there are 120 unique ways to select 3 presents from 10 presents, where the order of selection doesn't matter.
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